Re: Extend gdb to filter registers

[Yuan Fu]

> gdb-mi.el has gdb-display-buffer, which makes the window dedicated.
> It also has some code in gdb-display-source-buffer.  Neither of those
> uses display-buffer, AFAICT.  So where do the split thresholds come
> into play in the scenario mentioned?

The problem is in gud.el: it uses display-buffer instead of 
gdb-display-source-buffer. When you step, `gud-display-line` runs and calls 
display-buffer. My patch makes it use `gdb-display-source-buffer`.

Yuan